DE3875448D1 - VIDEO WRITING / READING HEAD, PRODUCTION PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS. - Google Patents

VIDEO WRITING / READING HEAD, PRODUCTION PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS.

Info

Publication number
DE3875448D1
DE3875448D1 DE8888402672T DE3875448T DE3875448D1 DE 3875448 D1 DE3875448 D1 DE 3875448D1 DE 8888402672 T DE8888402672 T DE 8888402672T DE 3875448 T DE3875448 T DE 3875448T DE 3875448 D1 DE3875448 D1 DE 3875448D1
Authority
DE
Germany
Prior art keywords
carrying
reading head
video writing
production process
production
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8888402672T
Other languages
German (de)
Other versions
DE3875448T2 (en
Inventor
Paul-Louis Meunier
Jean-Marie Mackowski
Jean-Luc Rolland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of DE3875448D1 publication Critical patent/DE3875448D1/en
Application granted granted Critical
Publication of DE3875448T2 publication Critical patent/DE3875448T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
DE8888402672T 1987-10-27 1988-10-24 VIDEO WRITING / READING HEAD, PRODUCTION PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS. Expired - Fee Related DE3875448T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8714819A FR2622337B1 (en) 1987-10-27 1987-10-27 VIDEO RECORDING / PLAYING HEAD, METHOD FOR PRODUCING SAME AND APPARATUS IMPLEMENTING THE SAME

Publications (2)

Publication Number Publication Date
DE3875448D1 true DE3875448D1 (en) 1992-11-26
DE3875448T2 DE3875448T2 (en) 1993-03-04

Family

ID=9356190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888402672T Expired - Fee Related DE3875448T2 (en) 1987-10-27 1988-10-24 VIDEO WRITING / READING HEAD, PRODUCTION PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS.

Country Status (5)

Country Link
US (1) US5013580A (en)
EP (1) EP0314556B1 (en)
JP (1) JP2770269B2 (en)
DE (1) DE3875448T2 (en)
FR (1) FR2622337B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970004292B1 (en) * 1993-06-17 1997-03-26 엘지전자 주식회사 Lifetime checking system in video cassette recorder
KR0136632B1 (en) * 1994-07-26 1998-05-15 김은영 Vtr head drum coated with diamond hard carbon dual films and the manufacturing method
US7260884B2 (en) * 2003-04-15 2007-08-28 Athan Corporation Method of manufacturing a drum assembly associated with video tape machine
US20080304185A1 (en) * 2007-06-06 2008-12-11 George Athanasiou Drum assembly associated with video tape machine

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614831A (en) * 1969-09-12 1971-10-26 Sperry Rand Corp Method of making a hard-surface rotor containing magnetic transducers
GB1582231A (en) * 1976-08-13 1981-01-07 Nat Res Dev Application of a layer of carbonaceous material to a surface
JPS53132322A (en) * 1977-04-22 1978-11-18 Nec Corp Magnetic head
US4231816A (en) * 1977-12-30 1980-11-04 International Business Machines Corporation Amorphous metallic and nitrogen containing alloy films
JPS5712449A (en) * 1980-06-26 1982-01-22 Sony Corp Molded member having sliding surface of magnetic tape
JPS5730124A (en) * 1980-07-29 1982-02-18 Nippon Telegr & Teleph Corp <Ntt> Protective film for magnetic recording medium
JPS5819472A (en) * 1981-07-24 1983-02-04 Fuji Photo Film Co Ltd Surface treatment of cylinder
JPS5829169A (en) * 1981-08-12 1983-02-21 Fuji Photo Film Co Ltd Cylinder for magnetic recorder
US4504519A (en) * 1981-10-21 1985-03-12 Rca Corporation Diamond-like film and process for producing same
DE3307776A1 (en) * 1983-03-04 1984-09-06 Siemens AG, 1000 Berlin und 8000 München RECORDING ARRANGEMENT FOR A MAGNETIC LAYER
JPS59193265A (en) * 1983-03-14 1984-11-01 Stanley Electric Co Ltd Plasma cvd apparatus
US4663183A (en) * 1984-09-10 1987-05-05 Energy Conversion Devices, Inc. Glow discharge method of applying a carbon coating onto a substrate
JPS6171447A (en) * 1984-09-13 1986-04-12 Olympus Optical Co Ltd Method for forming titanium nitride film of magnetic tape sliding member
US4612207A (en) * 1985-01-14 1986-09-16 Xerox Corporation Apparatus and process for the fabrication of large area thin film multilayers
JPS61223756A (en) * 1985-03-28 1986-10-04 Canon Inc Copying machine
US4725345A (en) * 1985-04-22 1988-02-16 Kabushiki Kaisha Kenwood Method for forming a hard carbon thin film on article and applications thereof
JPS61289530A (en) * 1985-06-17 1986-12-19 Hitachi Ltd Magnetic recording medium
US5006434A (en) * 1989-05-12 1991-04-09 E. I. Du Pont De Nemours And Company Photohardenable electrostatic element with improved environmental latitude

Also Published As

Publication number Publication date
FR2622337B1 (en) 1995-06-16
JPH01140414A (en) 1989-06-01
EP0314556B1 (en) 1992-10-21
DE3875448T2 (en) 1993-03-04
US5013580A (en) 1991-05-07
FR2622337A1 (en) 1989-04-28
EP0314556A1 (en) 1989-05-03
JP2770269B2 (en) 1998-06-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee